@Tony Found out the issue, it was application/server specific. The game server I was trying to run claimed you only needed ports 2456-2458 open. Many more ports needed to be open for people to...

@Tony Enabled DMZ for host system, was able to have someone connect from outside network. I tried making a single port rule, as well as changing the ports, no dice. Thoughts?

I'm trying to get port forwarding working on my C3150, I've successfully forwarded the ports and reserved a static local IP for the machine the server is running on. I'm also able to connect to the...